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Dublin Development Land Index

How much land in the four Dublin councils has a public reason to come up for sale or building, counted from public records, checked 25 Sept 2026.

By council

AreaDerelictCouncil sales, 3 yrsRunning out, 12 moHomes not startedStalledRZLT, no permission (ha)
Dublin City14564209,1793404,257
Dún Laoghaire-Rathdown16387,0561352,799
Fingal2711126,7751012,938
South Dublin26628,56172423
Dublin (four councils)2141843231,57164810,418

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For example:

31,571 homes in Dublin have planning permission and haven't started. (Buildable, Dublin Development Land Index, 25 Sept 2026. buildable.ie/land/index)

How it’s counted

Every number is a count of public records, placed on a map and matched to the site they’re on. Each number links to a list of the sites behind it, so it can be checked row by row.

Derelict sites on the register
Entries on each council's Derelict Sites Register (Derelict Sites Act 1990), counted once per register reference. Entries the council has removed are not counted. Source: Council derelict sites registers (Derelict Sites Act 1990), checked 25 Sept 2026.
Council land sale notices, last 3 years
Notices of a proposed sale or lease of council land under section 183 of the Local Government Act 2001, put to council or area committee meetings in the last three years, from the meeting agendas. Only notices we could place on a map are counted. Many are small (a garden strip, a right of way). Source: Council meeting agendas (s.183 disposal notices), checked 25 Sept 2026.
Permissions running out in the next 12 months
Sites with a planning permission for 10 or more homes that expires within the next 12 months, with no commencement notice lodged. Source: Planning applications (Department of Housing national planning data) and commencement notices, checked 25 Sept 2026.
Homes permitted, not started
Homes in live planning permissions for 10 or more homes with no commencement notice on the Building Control Management System, including permissions running out within a year. Source: Planning applications and commencement notices (National Building Control Office), checked 25 Sept 2026.
Stalled building sites
Building jobs of 10 or more homes (or 1,000 m² or more) with a commencement notice lodged at least three years ago, no completion certificate, and a planned finish more than a year ago or none given. Source: Commencement and completion notices (National Building Control Office), checked 25 Sept 2026.
RZLT land with no permission for homes
Hectares of parcels of 0.1 ha or more on each council's latest Residential Zoned Land Tax map (the final map when published, otherwise the draft) with no live permission for 10 or more homes. A draft map can change before the final map. Source: Council Residential Zoned Land Tax maps, checked 25 Sept 2026.

Recorded every night from now on. Changes over time will be shown here once there are a few months of history.

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The week's new sites: permission running out, council selling land, derelict or stalled. Each with its source. Free while in beta.

Dublin development land by council · by postcode